Structured Manufacturing Data (2026)

Access Door Shield

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Access Door Shield used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Access Door Shield is characterized by the integration of Shielding Panel and Sealing Mechanism. In industrial production environments, manufacturers listed on CNFX commonly emphasize Lead construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized shielding component designed for access doors in radiation containment structures.

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Product Specifications

Technical details and manufacturing context for Access Door Shield

Definition
The Access Door Shield is a critical component of Radiation Shielding Structures, specifically engineered to provide effective radiation attenuation at access points while maintaining necessary functionality for entry and exit. It integrates with the main shielding structure to ensure continuity of protection, preventing radiation leakage through door openings in facilities such as nuclear plants, medical radiation therapy rooms, and industrial radiography installations.
Working Principle
Utilizes high-density materials (typically lead, tungsten, or specialized composites) arranged in overlapping or interlocking configurations to create a radiation barrier. When the access door is closed, the shield forms a continuous protective layer with the surrounding structure, blocking or significantly reducing the transmission of ionizing radiation through the doorway.
Common Materials
Lead, Tungsten alloy, Steel, Boron-doped polyethylene
Technical Parameters
  • Lead equivalent thickness indicating radiation attenuation capability (mm) Per Request
Components / BOM
  • Shielding Panel Part
    Primary radiation attenuation element
    Material: Lead or tungsten composite
  • Sealing Mechanism
    Ensures radiation-tight closure between door and frame
    Material: Neoprene or specialized polymer
  • Hinge System
    Allows door movement while maintaining shielding integrity
    Material: Stainless steel
  • Interlock System
    Prevents door opening when radiation source is active
    Material: Steel and electronic components

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Access Door Shield.

radiation containment access door shield lead tungsten alloy shielding panel boron-doped polyethylene radiation door interlock system for access door shield heavy duty radiation shielding hinge mechanism

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Radiation Shielding Structure
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 15 psi differential
temperature: -40°C to +150°C
seal integrity: Maintained under cyclic door operation
radiation shielding: Up to 10^6 rads total dose
Media Compatibility
✓ Lead-based shielding composites ✓ Stainless steel containment structures ✓ Deionized water cooling systems
Unsuitable: High-velocity particulate abrasion environments
Sizing Data Required
  • Door opening dimensions (width x height)
  • Required radiation attenuation level (e.g., half-value layers)
  • Mounting interface specifications (flange type, bolt pattern)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Exposure to moisture, chemicals, or salt-laden environments leading to material degradation and loss of structural integrity.
Fatigue cracking at hinge or latch points
Cause: Repeated cyclic loading from frequent opening/closing, vibration, or thermal expansion/contraction stresses.
Maintenance Indicators
  • Visible deformation, warping, or misalignment preventing proper closure
  • Unusual grinding, scraping, or rattling noises during operation indicating loose or worn components
Engineering Tips
  • Implement regular corrosion protection measures including proper coating maintenance, cathodic protection if applicable, and environmental sealing at joints.
  • Establish preventive maintenance schedule for hinge/latch lubrication, fastener torque checks, and alignment verification to reduce stress concentrations.

Compliance & Manufacturing Standards

Reference Standards
ISO 14122-3:2016 - Safety of machinery - Permanent means of access to machinery - Stairs, stepladders and guard-rails ANSI/UL 325 - Standard for Door, Drapery, Gate, Louver, and Window Operators and Systems DIN 18040-1:2010-10 - Construction of accessible buildings - Design principles - Part 1: Publicly accessible buildings
Manufacturing Precision
  • Door Panel Flatness: +/- 1.5mm per meter
  • Hinge Alignment Bore: +/- 0.5mm
Quality Inspection
  • Dimensional Verification Test
  • Load Bearing Capacity Test

Factories Producing Access Door Shield

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in the Access Door Shield for radiation protection?

The shield combines lead and tungsten alloy for high-density shielding, steel for structural support, and boron-doped polyethylene for neutron absorption, ensuring comprehensive radiation containment.

How does the interlock system enhance safety in radiation containment structures?

The interlock system prevents the access door from opening when radiation levels are unsafe, ensuring operator protection and compliance with safety protocols in machinery and equipment manufacturing environments.

What are the key components in the Access Door Shield BOM?

The Bill of Materials includes a heavy-duty hinge system for smooth operation, an interlock system for safety, a sealing mechanism to prevent radiation leakage, and a shielding panel made from composite materials for optimal protection.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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